Thay đổi cách hiển thị giá sale bắt mắt người xem trong trang chi tiết sản phẩm

/*
* Thay đổi cách hiển thị giá sale trong trang chi tiết sp
*/
functionnbw_price_html($product,$is_variation=false){
    ob_start();
    if($product->is_on_sale()):
    ?>  
    <?php
    endif;
    if($product->is_on_sale()&&($is_variation||$product->is_type('simple')||$product->is_type('external'))){
        $sale_price=$product->get_sale_price();
        $regular_price=$product->get_regular_price();
        if($regular_price){
            $sale=round(((floatval($regular_price)-floatval($sale_price))/floatval($regular_price))*100);
            $sale_amout=$regular_price-$sale_price;
            ?>
            <div class="nbw_single_price">
                <div>
                    <span class="nbw_price"><?phpechowc_price($sale_price);?></span>
                </div>
                <div class="gia-chinh-hang">
                    <span class="label">Giáchínhhãng:</span>
                    <span class="nbw_price"><del><?phpechowc_price($regular_price);?></del></span><span class="label-km">-<?phpecho$sale;?>%</span>
                </div>
                <div class="tiet-kiem-box">
                    <span class="label">Tiếtkiệm:</span>
                    <span class="nbw_price sale_amount"><?phpechowc_price($sale_amout);?></span>
                </div>
            </div>
            <?php
        }
    }elseif($product->is_on_sale()&&$product->is_type('variable')){
        $prices=$product->get_variation_prices(true);
        if(empty($prices['price'])){
            $price=apply_filters('woocommerce_variable_empty_price_html','',$product);
        }else{
            $min_price     =current($prices['price']);
            $max_price     =end($prices['price']);
            $min_reg_price=current($prices['regular_price']);
            $max_reg_price=end($prices['regular_price']);
            if($min_price!==$max_price){
                $price=wc_format_price_range($min_price,$max_price).$product->get_price_suffix();
            }elseif($product->is_on_sale()&&$min_reg_price===$max_reg_price){
                $sale=round(((floatval($max_reg_price)-floatval($min_price))/floatval($max_reg_price))*100);
                $sale_amout=$max_reg_price-$min_price;
                ?>
                <div class="nbw_single_price">
                    <div>
                        <span class="nbw_price"><?phpechowc_price($min_price);?></span>
                    </div>
                    <div class="gia-chinh-hang">
                        <span class="label">Giáchínhhãng:</span>
                        <span class="nbw_price"><del><?phpechowc_price($max_reg_price);?></del></span><span class="label-km">-<?phpecho$sale;?>%</span>
                    </div>
                    <div class="tiet-kiem-box">
                        <span class="label">Tiếtkiệm:</span>
                        <span class="nbw_price sale_amount"><?phpechowc_price($sale_amout);?></span>
                    </div>
                </div>
                <?php
            }else{
                $price=wc_price($min_price).$product->get_price_suffix();
            }
        }
        echo$price;
    }else{?>
        <pclass="<?phpechoesc_attr(apply_filters('woocommerce_product_price_class','price'));?>"><?phpecho$product->get_price_html();?></p>
    <?php}
    returnob_get_clean();
}
functionwoocommerce_template_single_price(){
    global$product;
    echo nbw_price_html($product);
}
add_filter('woocommerce_available_variation','nbw_woocommerce_available_variation',10,3);
functionnbw_woocommerce_available_variation($args,$thisC,$variation){
    $old_price_html=$args['price_html'];
    if($old_price_html){
        $args['price_html']=nbw_price_html($variation,true);
    }
    return$args;
}

.nbw_single_price{
    margin-bottom:10px;
}
.product-info.price ins bdi,.product-info.price bdi,.nbw_single_price bdi{
    font-size:30px;
    color:#E5322D;
    text-shadow:1px1px0#fff, -1px -1px 0 #fff, 1px -1px 0 #fff, -1px 1px 0 #fff, 3px 3px 5px #333;
}
.nbw_single_price.gia-chinh-hang,.nbw_single_price.gia-chinh-hangbdi{
    font-size:14px;
    color:#565656;
    text-shadow:none;
}
del span.amount{
    opacity:1;
}
.gia-chinh-hang.label-km{
    background:#da0000;
    padding:3px7px;
    color:white;
    border-radius:3px;
}
.nbw_single_price.tiet-kiem-box{
    margin-top:5px;
}